LOWER LIP PARESTHESIA FOLLOWING RESTORATION OF A 2ND PREMOLAR TOOTH -CASE-REPORT

A forty year old female patient developed paraesthesia of the right si de of her lower lip following the placement of an extensive pin-retain ed amalgam restoration in her lower right second premolar tooth. Radio graphs indicated that the mental foramen was close to the apex of this tooth and it was assumed that postoperative pulpitis and periapical i nflammation had caused the paraesthesia through the effects of pressur e on the mental nerve. The paraesthesia resolved following endodontic treatment of the lower second premolar tooth and the patient has had n o further signs or symptoms.